Mump 1209 07 How To Build A Stroker 390 Fe

4 Oil gallery to bearing alignment is something that has always concerned us with FE big-blocks. When we asked Survival Motorsports' Barry Rabotnick, undoubtedly the most knowledgeable FE builder in the world, about this dynamic, he suggested chamfering the hole (countersink) to increase oil volume. However, he also added he'd seen a lot of them this way without consequence.